{"cve":"CVE-2022-49948","nvd":{"published":"2025-06-18T11:15:21.827","modified":"2026-10-15T22:17:26.047","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvt: Clear selection before changing the font\n\nWhen changing the console font with ioctl(KDFONTOP) the new font size\ncan be bigger than the previous font. A previous selection may thus now\nbe outside of the new screen size and thus trigger out-of-bounds\naccesses to graphics memory if the selection is removed in\nvc_do_resize().\n\nPrevent such out-of-memory accesses by dropping the selection before the\nvarious con_font_set() console handlers are called.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1},"cwes":["CWE-125"],"references":["https://git.kernel.org/stable/c/1cf1930369c9dc428d827b60260c53271bff3285","https://git.kernel.org/stable/c/2535431ae967ad17585513649625fea7db28d4db","https://git.kernel.org/stable/c/566f9c9f89337792070b5a6062dff448b3e7977f","https://git.kernel.org/stable/c/989201bb8c00b222235aff04e6200230d29dc7bb","https://git.kernel.org/stable/c/c555cf04684fde39b5b0dd9fd80730030ee10c4a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2022-49948","score":0.00274,"percentile":0.19569,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}